Ariba, Inc. (NASDAQ: ARBA), the leading spend management solutions provider, today announced that it has signed an agreement with The Carphone Warehouse, the world's largest independent mobile phone retailer. Under the terms of the contract, Carphone Warehouse will implement Ariba's solutions to standardize and streamline its Goods Not For Resale (GNFR) sourcing and contract management processes in order to drive sustainable savings and improve efficiencies. Click here for more.